481981020 has 24 divisors (see below), whose sum is σ = 1349547024. Its totient is φ = 128528256.

The previous prime is 481981009. The next prime is 481981021. The reversal of 481981020 is 20189184.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481981021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4016449 + ... + 4016568.

It is an arithmetic number, because the mean of its divisors is an integer number (56231126).

Almost surely, 2^481981020 is an apocalyptic number.

It is an amenable number.

481981020 is an abundant number, since it is smaller than the sum of its proper divisors (867566004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

481981020 is a wasteful number, since it uses less digits than its factorization.

481981020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8033029 (or 8033027 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 481981020 is about 21954.0661381895. The cubic root of 481981020 is about 784.0491929948.

The spelling of 481981020 in words is "four hundred eighty-one million, nine hundred eighty-one thousand, twenty".